Description: Colors: Black, Skin, Pink Features: 1. Made of highly elastic, soft silicone, it fits snugly in your ear canal without causing discomfort or strain, ensuring comfortable, long-lasting wear. 2. Triple noise reduction design effectively blocks out ambient noise, achieving up to 37dB of sound insulation, helping you fall asleep quickly or focus on studying. 3. Ergonomic design securely fits all ear shapes and resists falling off, making it suitable for side sleepers, dormitories, offices, and more. 4. Reusable, easy to clean, waterproof, and sweat-proof, ensuring long-term use. The environmentally friendly material is odor-free for added peace of mind. 5. Compact and portable design with included storage case for easy portability, perfect for home, travel, flights, and high-speed trains. Comments: 1. Manual measurement tolerance is 2-5g. Please allow for substitutions. 2. Due to differences between monitors, images may not reflect the actual color of the item. Thank you very much! 3. SKU color refers to the color of the product packaging. Package Includes: 1 *Silicone Sleep Earplugs